Street Classification
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Classification of Development
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Right-of-Way (feet)
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Minimum Requirements Cartwayl(feet)
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Curbs4
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Sidewalks2
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---|---|---|---|---|---|
Arterial
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A,B,C
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1003
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48 min.3
|
|
|
Collector
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A,B,C
|
80
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40 min.3
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Yes
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Yes
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Primary
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A,B,C
|
60
|
36
|
Yes
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Yes
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Secondary
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A,B,C
|
50
|
26
|
Yes
|
Yes
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Marginal access
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A,B
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34
|
265
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Yes
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Yes
|
|
C
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50
|
26
|
Yes
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Yes
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A: Residential - density up to 3.5 dwelling units per acre.
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B: Residential - density over 3.5 dwelling units per acre.
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C: Nonresidential.
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NOTES:
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1
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Dimension of pavement width alone where no curbs are used, but
face to face where curbs are used.
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2
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Sidewalks shall be provided along both sides of all streets,
except when in the opinion of Council with the advice of the Township
Engineer and Planning Commission they are unnecessary for the public
safety and convenience.
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3
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As determined by Council with the advice of the Township Engineer,
and the Pennsylvania Department of Transportation where state roads
are involved.
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4
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Curbs are required except where Council, with advice from the
Township Engineer, determines they are not essential for drainage
purposes and public safety.
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5
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On parallel or marginal access streets that have driveways fronting
on one side only, cartway may be reduced in width to 22 feet.
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Classification of Development
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Minimum Width at Curb (feet)
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Driveway Minimum Radius (feet)
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Maximum Grade
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Maximum Change of Grade per 10 Feet
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---|---|---|---|---|
A
|
9
|
3
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8%
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10%
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B
|
12 (one-way)
|
10
|
5%
|
7%
|
24 (two-way)
|
15
|
5%
|
7%
| |
C
|
12 (one-way)
|
20
|
5%
|
7%
|
24 (two-way)
|
25
|
5%
|
7%
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A: Residential - density up to 3.5 dwelling units per acre.
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B: Residential - density over 3.5 dwelling units per acre.
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C: Nonresidential.
|
|
Parking Lot Dimensions Parking
|
Driveway
| ||
---|---|---|---|---|
Angle of Parking
|
Stall Width (feet)
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Stall Depth (feet)
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One-Way (feet)
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Two-Way (feet)
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90°
|
9
|
18
|
22
|
24
|
60°
|
10
|
20
|
18
|
20
|
45°
|
10
|
20
|
16
|
20
|
30°
|
10
|
20
|
12
|
20
|
Parallel1
|
8
|
22
|
12
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20
|
NOTES:
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1
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Parallel parking in off-street parking facilities shall be permitted
only where Council determines angled parking is not practical.
|
Large Trees (over 45 feet in height at maturity):
Acer rubrum--Red Maple
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Acer saccharum--Sugar Maple (major thoroughfare) Celtis laevigata
‘All Seasons’--Sugar Hackberry
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Celtis occidentalis ‘Prairie Pride’ or ‘Magnifica’--Hackberry
Corylus colurna--Turkish Filbert
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Eucommia ulmoides--Hardy Rubber Tree
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Fraxinus pennsylvanica ‘Marshall’s Seedless’--Green
Ash Ginkgo biloba--Ginkgo (male)
|
Gleditsia triacanthos var. inermis--Thornless Honeylocust Gymnocladus
dioicus--Kentucky Coffeetree (male) Liquidambar styraciflua ‘Rotundifolia’--Sweet
Gum Metasequoia glyptostroboides--Dawn Redwood
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Nyssa sylvatica--Black Gum
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Platanus x acerifolia--London Planetree Quercus alba--White
Oak
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Quercus bicolor--Swamp White Oak Quercus rubra--Red Oak
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Quercus coccinea--Scarlet Oak
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Quercus imbricaria--Shingle Oak Quercus palustris--Pin Oak Quercus
phellos--Willow Oak
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Quercus robur 'Skymaster' (Pyramich ')--Skymaster English Oak
Quercus shumardii--Shumard Oak
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Sophora japonica--Japanese Scholartree (cultivars 'Halka' or
'Regent') Taxodium distichum--Bald Cypress
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Tilia--Linden--All species hardy to the area
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Ulmus parvifolia--Lacebark Elm ('Ohio', 'Dynasty' or 'Pathfinder')
Zelkova serrata--Japanese Zelkova
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Medium Trees (30 feet to 45 feet in height at maturity):
Acer ginnala--Amur Maple
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Betula nigra--River Birch
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Carpinus betulus--European Hornbeam
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Carpinus betulus 'Fastigiata'--Upright European Hornbeam Carpinus
caroliniana--American Hornbeam
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Cornus florida--Flowering Dogwood Koelreuteria paniculata--Golden
Rain Tree
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Phellodendron amurense 'Macho'--Amur Cork Tree (male trees are
seedless)
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Prunus Cerasifera--Thunder Cloud Purple Plum Tree1
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Prunus x yedoensis--Yoshino Cherry
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Pyrus calleryana 'Whitehouse' or 'Chanticleer'--Callery Pear1
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Quercus acutissima--Sawtooth Oak
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Sorbus alnifolia--Korean Mountain Ash
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1Note: Thunder Cloud Purple Plum
Trees and Chanticlee Pear Trees are favored trees. If possible, these
two trees should be considered for their hardiness and beauty when
laying out landscaping.
|
Small Trees (under 30 feet in height at maturity):
Acer campestre 'Queen Elizabeth'--Hedge Maple Acer tataricum--Tatarian
Maple
|
Amelanchier laevis 'Cumulus' or 'Majestic'--Allegheny Serviceberry
Amelanchier x grandiflora--Apple Serviceberry (many cultivars) Crataegus
crus--galli var. inermis--Thornless Cockspur Hawthorn Crataegus x
lavallei--Lavalle Hawthorn
|
Crataegus phaenopyrum 'Princeton Sentry'--Washington Hawthorn
Maackia amurensis--Amur maackia
|
Malus cultivars--Crabapples (disease resistant emphasized) Malus
floribunda--Japanese Flowering Crabapple
|
Malus sieboldii x zumi 'Calocarpa'--Zumi Crabapple Prunus sargentii
'Accolade'--Flowering Cherry
|
Prunus sargentii 'Columnaris'--Columnar Sargent Cherry
|
Prunus serrulata 'Amanogawa' or 'Kwanzan'--Japanese Flowering
Cherry Prunus virginiana 'Shubert'--Shubert Chokeberry
|
Syringa reticulate 'Summer Snow' or 'Regent'--Japanese Tree
Lilac
|
Canopy Trees (two inches caliper minimum):
|
Acer ginnala-Amur Maple
|
Acer platanoides--Norway Maple
|
Acer rubrum--Red Maple
|
Acer saccharum--Sugar Maple
|
Betula alba--European White Birch
|
Fagus grandifolia--American Beech
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Fagus sylvatica--European Beech
|
Fraxinus americana--White Ash
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Fraxinus pennsylvanica 'Marshall's Seedless'--Green Ash
|
Ginkgo biloba--Ginkgo (male only)
|
Gleditsia triacanthos var. inermis--Thornless Honeylocust
|
Liquidambar styraciflua--Sweet Gum
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Liriodendron tulipifera--Tulip Tree
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Phellodendron amurense--Amur Cork Tree
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Platanus x acerifolia--London Planetree
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Quercus alba--White Oak
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Quercus coccinea--Scarlet Oak
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Quercus palustris--Pin Oak
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Quercus phellos--Willow Oak
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Quercus rubra--Red Oak
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Robinia pseudoacacia 'Inermis'--Thornless Black Locust
|
Sophora japonica--Japanese Scholartree
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Tilia--Linden--All species hardy to the area
|
Zelkova serrata--Japanese Zelkova
|
Flowering Trees (two inches caliper minimum):
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Amelanchier canadensis--Shadblow Serviceberry
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Cornus florida--Flowering Dogwood
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Cornus kousa--Kousa Dogwood
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Cornus mas--Cornelian Cherry
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Crataegus phaenopyrum--Washington Hawthorn
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Koelreuteria paniculata--Goldenrain Tree
|
Laburnum vossi--Goidenchain Tree
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Magnolia soulangeana--Saucer Magnolia
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Magnolia virginiana--Sweetbay Magnolia
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Malus baccata--Siberian Crab
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Malus floribunda--Japanese Flowering Crab
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Malus hopa--Hopa Red-Flowering Crab
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Oxydendrum arboreum--Sourwood
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Pyrus calleryana 'Whitehouse' or 'Chanticleer'--Callery Pear
|
Prunus kwanzan--Kwanzan Cherry
|
Prunus yedoensis--Yoshino Cherry
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Evergreen Trees (six feet high minimum)1
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Abies concolor--White Fir
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Abies nordmanniana--Nordman Fir
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Hex opaca--American Holly
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Picea abies--Norway Spruce
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Picea omorika--Serbian Spruce
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Picea pungens--Colorado Spruce
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Pinus nigra--Austrian Pine
|
Pinus strobus--White Pine
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Pseudotsuga menziesii--Douglas Fir
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Tsuga canadensis--Canada Hemlock
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NOTES:
|
1It is recommended that two or more
species of evergreen trees be used in a buffer yard.
|
Hedge (four feet high minimum):
|
Crataegus intricata--Thicket Hawthorn
|
Forsythia x intermedia--Border Forsythia
|
Rhamnus frangula 'Columnaris'--Tallhedge Buckthorn
|
Syringa chinensis--Chinese Lilac
|
Syringa vulgaris--Common Lilac
|
Juniperus virginiana--Upright Juniper
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Pinus strobus--White Pine (one per five feet)
|
Pyracantha coccinea 'Lalandei'--Laland Firethorn
|
Taxus cuspidata--Upright Yew
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Taxus hicksi--Hicks Yew
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Tsuga canadensis--Canadian Hemlock (one per five feet)
|
Thuja occidentalis--American Arborvitae (one per five feet
|
Shrubs (four feet high minimum)
|
Euonymus alatus--Winged Euonymus
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Hamamelis vernalis—Vernal Witch Hazel
|
Hamamelis virginiana--Common Witch Hazel
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Ilex verticillata--Winterberry
|
Rhamnus frangula--Glossy Buckthorn
|
Viburnum dentatum--Arrowwood Viburnum
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Viburnum lantana--Wayfaring Tree Viburnum
|